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Cheap flights from Ottawa (YOW) to Heathrow (LHR) from $294

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — LHR
jun. 10 — jun. 171
From?
To?
lun. 6/10
lun. 6/17
1 adult, Economy
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The best prices from Ottawa to London Heathrow are usually found in November or October, booked 39 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Ottawa to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 5, 2024.

Popular in

July

Cheapest in

November

Round-trip from

$643

One-way from

$297
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 12% potential price drop
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From Ottawa to London Heathrow
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One-way flight from Ottawa to London Heathrow
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What is the cheapest day to fly round-trip from Ottawa to London Heathrow Airport?

Users have found that flying from Ottawa to London Heathrow Airport on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Ottawa to London Heathrow Airport?

To save up to 28% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ottawa to London Heathrow Airport from $739 1-2 weeks out and tickets from $1,114 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ottawa to London Heathrow Airport?

The best pricing can be found in the month of November. Prices to London Heathrow Airport from Ottawa average $804. You can even find prices in November for less than $804, as users have found deals to London Heathrow Airport from as low as $575. The month of July appears to be one of the more expensive times to travel to London Heathrow Airport from Ottawa. Flying in the targeted month can save you up to 17%.

What is the cheapest time of day to fly from YOW to LHR?

Unlike at noon, when flights are generally more expensive, you can save up to 10% on flights from Ottawa to London Heathrow Airport by exploring options for tickets in the afternoon.

Cheap Ottawa to Heathrow flights in June & July 2024

Find cheap flight options from Ottawa to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 5, 2024.
Scroll through some of the best deals on flights from Ottawa to London in 2024. Check back soon for alternative fares.
mié. 6/127:00 amYOW - LHR
1 stop9h 00mAir Canada
lun. 6/249:30 amLHR - YOW
1 stop13h 09mAir Canada
Deal found 6/4$872
mié. 7/317:00 amYOW - LHR
1 stop9h 00mAir Canada
sáb. 8/242:05 pmLHR - YOW
1 stop23h 36mAir Canada
Deal found 6/5$961
lun. 6/104:10 pmYOW - LHR
2 stops24h 25mMultiple Airlines
lun. 6/247:50 pmLHR - YOW
3 stops30h 33mMultiple Airlines
Deal found 6/4$963
lun. 7/221:25 pmYOW - LHR
1 stop12h 05mAir Canada
lun. 8/129:30 amLHR - YOW
1 stop12h 01mAir Canada
Deal found 6/4$966
mar. 7/166:40 pmYOW - LHR
1 stop10h 20mLufthansa
mar. 7/238:30 amLHR - YOW
1 stop14h 43mLufthansa
Deal found 6/3$989
lun. 7/156:40 pmYOW - LHR
1 stop10h 20mLufthansa
lun. 7/223:50 pmLHR - YOW
1 stop12h 12mLufthansa
Deal found 6/4$1,021
mié. 7/38:55 pmYOW - LHR
1 stop28h 35mMultiple Airlines
mié. 7/108:50 amLHR - YOW
2 stops15h 53mMultiple Airlines
Deal found 6/5$1,036
jue. 7/113:30 pmYOW - LHR
1 stop10h 00mMultiple Airlines
vie. 7/2610:25 pmLHR - YOW
2 stops25h 14mMultiple Airlines
Deal found 6/3$1,051
lun. 7/221:25 pmYOW - LHR
1 stop12h 05mAir Canada
lun. 8/129:30 amLHR - YOW
1 stop13h 01mAir Canada
Deal found 6/5$1,052

Ottawa to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 5, 2024.
Scroll through some of the best deals on flights from Ottawa to London in 2024. Check back soon for alternative fares.
mar. 9/177:00 amYOW - LHR
1 stop9h 00mAir Canada
mar. 10/112:40 pmLHR - YOW
1 stop14h 59mAir Canada
Deal found 6/4$746
mar. 10/16:40 pmYOW - LHR
1 stop10h 20mAir Canada
vie. 10/112:05 pmLHR - YOW
1 stop23h 35mAir Canada
Deal found 6/4$777
sáb. 8/243:20 pmYOW - LHR
1 stop10h 10mMultiple Airlines
mié. 9/48:50 pmLHR - YOW
3 stops40h 22mMultiple Airlines
Deal found 6/5$778
lun. 11/44:15 pmYOW - LHR
1 stop9h 55mLufthansa
mar. 11/129:30 amLHR - YOW
2 stops14h 46mLufthansa
Deal found 6/3$780
mié. 11/63:00 pmYOW - LHR
1 stop10h 30mLufthansa
mar. 11/129:30 amLHR - YOW
2 stops14h 46mLufthansa
Deal found 6/3$786
mar. 11/52:45 pmYOW - LHR
2 stops17h 55mSWISS
mié. 11/137:00 amLHR - YOW
2 stops14h 58mSWISS
Deal found 6/3$802
sáb. 8/243:20 pmYOW - LHR
1 stop10h 10mMultiple Airlines
mié. 9/46:45 amLHR - YOW
2 stops22h 42mMultiple Airlines
Deal found 6/5$806
mar. 10/156:40 pmYOW - LHR
1 stop10h 20mAir Canada
dom. 11/179:00 amLHR - YOW
1 stop13h 51mAir Canada
Deal found 6/5$810
lun. 11/44:15 pmYOW - LHR
1 stop9h 55mLufthansa
dom. 11/102:30 pmLHR - YOW
1 stop12h 38mLufthansa
Deal found 6/3$811

Ottawa to Heathrow flights leaving soon

Find last-minute flight options from Ottawa to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 5, 2024.
Have a look at some of the flights available from Ottawa to London departing last-minute. It's wise to confirm all flight details are correct before booking.
mié. 6/127:00 amYOW - LHR
1 stop9h 00mAir Canada
lun. 6/249:30 amLHR - YOW
1 stop13h 09mAir Canada
Deal found 6/4$872
lun. 6/104:10 pmYOW - LHR
2 stops24h 25mMultiple Airlines
lun. 6/247:50 pmLHR - YOW
3 stops30h 33mMultiple Airlines
Deal found 6/4$963
lun. 6/107:20 amYOW - LHR
2 stops33h 15mMultiple Airlines
lun. 6/248:10 pmLHR - YOW
2 stops23h 59mMultiple Airlines
Deal found 6/4$1,089
mié. 6/126:38 amYOW - LHR
1 stop20h 52mUnited Airlines
lun. 6/246:50 amLHR - YOW
2 stops22h 05mUnited Airlines
Deal found 6/4$1,094
mié. 6/128:00 pmYOW - LHR
2 stops21h 00mLOT
lun. 6/246:10 pmLHR - YOW
2 stops34h 37mLOT
Deal found 6/4$1,136
lun. 6/107:00 amYOW - LHR
1 stop9h 00mAir Canada
lun. 6/242:05 pmLHR - YOW
1 stop23h 36mAir Canada
Deal found 6/4$1,182
lun. 6/106:40 pmYOW - LHR
2 stops13h 00mLufthansa
lun. 6/249:30 amLHR - YOW
1 stop9h 26mLufthansa
Deal found 6/4$1,292
jue. 6/137:10 amYOW - LHR
2 stops20h 45mMultiple Airlines
jue. 6/279:05 pmLHR - YOW
3 stops26h 08mMultiple Airlines
Deal found 6/5$1,361
jue. 6/137:10 amYOW - LHR
2 stops20h 45mMultiple Airlines
jue. 6/279:05 pmLHR - YOW
3 stops26h 08mMultiple Airlines
Deal found 6/4$1,364

One-way flights to Heathrow from Ottawa

Search for one-way flight options from Ottawa to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 5, 2024.
Some of the best available deals we've found on one-way flights from Ottawa to London. Users needing a return flight from Ottawa to London should utilize the search form above.
jue. 7/43:30 pmYOW - LHR
1 stop10h 00mLufthansa
Deal found 6/4$294
mié. 8/1412:00 pmYOW - LHR
1 stop13h 35mAir Canada
Deal found 6/4$297
dom. 7/211:25 pmYOW - LHR
2 stops17h 00mSWISS
Deal found 6/5$311
jue. 7/411:00 amYOW - LHR
2 stops15h 55mSWISS
Deal found 6/4$312
mié. 7/31:25 pmYOW - LHR
2 stops13h 30mSWISS
Deal found 6/4$348
vie. 6/143:30 pmYOW - LHR
1 stop10h 00mLufthansa
Deal found 6/3$367
dom. 6/165:00 pmYOW - LHR
1 stop10h 35mLufthansa
Deal found 6/3$373
lun. 7/11:00 pmYOW - LHR
1 stop12h 35mLufthansa
Deal found 6/4$391
lun. 7/111:00 amYOW - LHR
2 stops21h 00mSWISS
Deal found 6/4$403

Find flights from Ottawa to Heathrow within your budget

Customize your flight search to find flights from Ottawa to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$746 - $1,204

Route

Depart

Return

Price

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mar. 9/17

1 stop9h 00m

London Heathrow

mar. 10/1

1 stop14h 59m

$746

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mar. 10/15

1 stop10h 20m

London Heathrow

mar. 10/29

1 stop11h 38m

$778

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mar. 11/5

2 stops17h 55m

London Heathrow

mié. 11/13

2 stops14h 58m

$802

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mar. 9/17

2 stops28h 40m

London Heathrow

mar. 10/1

2 stops32h 55m

$816

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mié. 11/6

2 stops14h 05m

London Heathrow

mié. 11/13

2 stops14h 46m

$937

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mié. 11/6

2 stops12h 30m

London Heathrow

mar. 11/12

2 stops13h 35m

$1,037

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mar. 7/2

1 stop10h 00m

London Heathrow

mar. 7/9

1 stop13h 35m

$1,061

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

lun. 7/22

2 stops16h 20m

London Heathrow

lun. 8/12

2 stops18h 43m

$1,100

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

mié. 7/3

2 stops17h 55m

London Heathrow

mié. 7/10

2 stops26h 08m

$1,204

Flights are sorted by cheapest first

Deals found on 6/4

How far ahead should I book a flight from Ottawa to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Heathrow. Price data was last updated on May 31, 2024.
Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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What is the cheapest day to fly from Ottawa to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Heathrow. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to London Heathrow Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Ottawa to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated junio 5, 2024.
See what other customers who have flown with Air Canada, Lufthansa and SWISS from Ottawa to London have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,493 reviews

Food

7.3

Overall

7.9

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,493 reviews
KLM
7.9
Good
1,493 reviews

Food

7.3

Overall

7.9

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

SWISS
7.8
Good
1,934 reviews
KLM
7.9
Good
1,493 reviews

Food

7.3

Overall

7.9

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Austrian Airlines
7.7
Good
1,010 reviews
KLM
7.9
Good
1,493 reviews

Food

7.3

Overall

7.9

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France
7.5
Good
1,720 reviews
KLM
7.9
Good
1,493 reviews

Food

7.3

Overall

7.9

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Turkish Airlines
7.4
Good
3,712 reviews
KLM
7.9
Good
1,493 reviews

Food

7.3

Overall

7.9

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to London Heathrow?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to London Heathrow. You should not have trouble finding flights to London Heathrow from Ottawa; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Ottawa airport to London Heathrow. It is only a 6.6 mi journey to Ottawa (YOW) from Ottawa’s city center.

  • Can I find flights from Ottawa to London Heathrow Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Ottawa to London Heathrow Airport for under $800. The cheapest flight booked recently is on Air Canada for just $746, but on average you can expect to pay $852.

  • Are there last-minute flights available from Ottawa to London Heathrow Airport for under $900?

    There are currently 15+ open flights from Ottawa to London Heathrow Airport within the next 7 days for less than $900.

  • What are the cheapest airlines flying from Ottawa to London Heathrow Airport round-trip?

    According to our current data, Air Canada ($746), Lufthansa ($778), and SWISS ($802) offers the cheapest pricing from Ottawa to London Heathrow Airport. You may be able to fly from Ottawa to London Heathrow Airport for 9% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ottawa to London Heathrow Airport one-way?

    $294 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Air Canada and SWISS, with prices starting from $297 and $311, respectively.

  • What does YOW to LHR mean?

    Great question - YOW to LHR just means Ottawa Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Ottawa to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Ottawa to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ottawa to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ottawa to Heathrow that include hotel bookings?

    Yes. In addition to deals on Ottawa to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Heathrow.

  • Can I find deals for business class flights from Ottawa to Heathrow?

    Yes. Cheapflights offers flight deals from Ottawa to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ottawa to Heathrow that allow pets onboard?

    Many airlines flying from Ottawa to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ottawa to Heathrow?

    Yes, you can often find last-minute deals on Ottawa to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ottawa to London Heathrow Airport flight deals updated?

    The Ottawa to London Heathrow Airport flight deals you see on this page were last updated on 6/5.

  • What are the most popular airlines that fly from Ottawa to London Heathrow Airport?

    Consider Air Canada, Lufthansa or United Airlines when booking your flight. These represent the most popular airlines when flying from Ottawa to London Heathrow Airport.

  • What is the cheapest month to book a flight from Ottawa to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Ottawa to London Heathrow Airport (average of $653). Flying from Ottawa to London Heathrow Airport in June is currently the most expensive (average of $1,102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ottawa to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

Pearson Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to London City flights
Pearson Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Gatwick flights

Top 3 airlines flying from Ottawa to Heathrow

Discover the top 3 airlines that operate flights from Ottawa to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$709Average$854FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$745Average$801FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$916Average$1,521FlexibilityNo cancel feeOn-time69%
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Search flights from Ottawa to Heathrow by cabin class

Find flights from Ottawa to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Heathrow?

Cheapflights helps you search for flights from Ottawa to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Ottawa to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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